US Patent: 623,947
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| Wrench
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Patentee:
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| Charles Henry Cool (exact or similar names) - Ridgeville, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 04, 1899 |
| Granted: |
Apr. 25, 1899 |
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Patent Pictures:
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Charles Henry Cool patent April 25, 1899 |
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Stan Schulz
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Description: |
| Quick adjustment accomplished by a curved wedge which is forced between the main shank and a cross pin in the movable jaw by linkage to a lever handle. |
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